Boring-machine



(Nu Model.)

E.E .'ANTHONY.

BORING MAGHINB.

Patented Oct. 20, 1896.

Wafia eaaw 7/5 UNITED STATES PATENT OFFICE.

ELLIOTT E. ANTHONY, OF DETROIT, MICHIGAN.

BORING-MACHINE.

SPECIFICATION forming part of Letters Patent No. 569,597, dated October 20, 1896.

Application filed February 3, 1896. Serial No. 577,889. (No model.)

To [0Z5 whom it may concern.-

Be it known that I, ELLIOTT E. ANTHONY, a citizen of the United States, residing at Detroit, in the county of Wayne and State of Michigan, have invented certain new and useful Improvements in Boring Machines, of which the following is a specification, reference being had therein to the accompanying drawings. i

The object of the invention is to provide a boring machine adapted for boring holes through joists in ceilings or for floors or other parts of the woodwork of a building where the usual tools cannot be used.

To this end my invention consists in the peculiar and novel construction, arrangement, and combination of a boring-too1 provided with driving and guiding means, whereby the tool may be rotatorially worked between joists and in other confined positions, all as more fully hereinafter described and shown.

In the drawings, Figure l is an elevation of myimproved boring-machine as arranged for operation. Fig. 2 is a cross-section on line a: as in Fig. 1, looking toward the left. Fig. 3 is a detached perspective view of the clamping-slide.

A is the feed-bar, provided near one end with a handle B, fastened thereto at right angles.

0 is a hollow standard supported at right angles to the beam by means of a clampingslide D, having two split clamping-sleeves D and D the former being adapted to engage with and be adjustably clamped upon the feed-bar by means of a set-screw D and the latter to adjustably clamp the standard by means of the clamp-screw D.

E is a bevel-pinion mounted upon the end of a shaft F, which passes loosely through the standard and carries at its upper end the bevel-pinion free to revolve.

G is another bevel-pinion meshing with the bevel-pinion E at right angles. It is provided with a stub-shaft H, which is journaled in a bearing I and held from endwise displacement by a screw J, tapped into the end of the stubshaft, or by other suitable means. The bearing I is rigidly secured to the standard 0 at right angles thereto by suitable arms K, proj ecting from a collar L, which is fastened upon the end of the standard.

The beveled pinion G is provided with a socketed hub G for the reception of the boring-tool M, which is removablysecured therein by means of a set-screw G or otherwise. The shaft F projects below the standard and is provided with a slidingly-adj ustable crankhandle N, the'drawings showing to this end a transversely-slotted head 0, secured upon the lower end of the shaft, provided with a set-screw P, by means of which'the crankhandle N is adjustablysecured to the head.

In practice, the parts being arranged and constructed as shown and described, they are intended to operate as follows: By means of the clamping-sleeve D the clamp-slide may be adjusted to any point along the feed-bar A, and by means of the clamping-sleeve D the standard may be raised or lowered or rotatorially adjusted around its axis into any position desired. In using the machine in boring between joists from below, as shown in Fig. 1, the workman holds the machine with one hand, by means of the handle B, so that the feed-bar rests against the under side of two adjacent joists, and with the other he actuates the crank, having previously adjusted the parts in proper relation to the work. The boring-tool is advanced into the work by the workman pushing the feed-bar in the proper direction, and to this end the latter must be of the necessary length to bridge the interval between the joists. The feed-bar thus constitutes a guide for the tool, and in order to hold it it is preferably made of angle-iron, whereby one flange affords a straight fiat bearing against the joists, while the other flange imparts the necessary stiffness to the bar and at the same time makes it relatively light. This cross-section of the feed-bar, in connection with the triangular clampingsleeve D,is also especially effective for clamping the standard so firmly as to prevent any loose play.

- The handle B may be made adjustable on the teed-bar. It is, however, ordinarily sufficient to provide it with a flat shank Q, which fits against the side of the feed-bar and is secured thereto by two screws a I), placed at unequal distances from the axis of the handle, so that by securing the shank reversely its position on the feed-bar is altered.

As the construction and operation of the machine is so simple it will be unnecessary to describe any of the further manifold uses of the machine, which is especially adapted and designed for the Work required in buildings for plumbers, steam, gas, and electriclight fitters in arranging the pipes and conduits as required for the modern equipment of a building.

lVhat I claim as my invention is 1. In a boring-tool, the combination with a spanning feed-bar having a handle thereon and adapted to be moved longitudinally to feed the tool, of a hollow standard, means for adj ustabl y securing the standard to the bar, a shaft passing through the standard, a bearing on the standard, a shaft in the bearing at an angle to said other shaft, intermeshing gears on the shafts, a tool-h0lder, and a handle for rotating the shafts, substantially as described.

2. In a boring-machine, the combination of the handled feedbar, the sliding clamp in the feed-bar formed with a split clamping-sleeve engaging with the feed-bar and with a split clamping-sleeve at right angles thereto, the tubular standard adjustably secured by said clamping-sleeve t0 the feed-bar, a bearing connected to the end of the standard at right angles thereto, a stub-shaft journaled in said bearing, and carrying the boring-tool and drive mechanism for said stub-shaft actuated by an adjustable crank-handle 0n the end of a drive-shaft passing through the standard, substantially as described.

3. In a boringn1achine, the combination of the angle-bar A, the handle B secured thereto, the sliding clamp D formed with a split triangular sleeve adjustably clamping the bar A and with the tubular split sleeve D for securing the standard, the tubular standard C provided with the bearing I, the stub-shaft II journaled in said hearing and carrying the bevel-pinion G and boring-tool M, the shaft F journaled in the standard and carrying the bevel-pinion K meshing with the bevel-pinion G and the handle N adjustably secured to the shaft F, substantially as described.

at. The combination of a stub-shaft carrying the boring-tool, a drive-shaft carrying an actuating-crank, a frame or standard forming suitable bearings in which the two shafts are journaled at right angles to each other and connected by intermediate gearing and a feedbar provided with a sliding clamp having a clamping-sleeve formed thereon adapted to adj ustably secure the standard at right angles to the feed-bar, substantially as described.

In testimony whereof I affix my signature in presence of two witnesses.

ELLIOTT E. ANTHONY.

IVitnesses:

M. B. ODocHER'rY, O. F. BARTHEL. 

